St. Placide, Quebec (1921 census)
St. Placide was a census subdivision in Quebec, recorded in the 1921 Census of Canada with a population of 819. The community is grounded to Wikidata Q112912722. The administrative centroid was at approximately 45.542°N, 74.196°W.
Population
In 1921, St. Placide had a population of 819: 423 male and 396 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 1,230 |
| 1861 | 1,479 |
| 1871 | 1,172 |
| 1881 | 1,116 |
| 1891 | 990 |
| 1901 | 946 |
| 1911 | 888 |
| 1921 | 819 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Neighbouring Census Subdivisions in 1921
In the 1921 census, St. Placide shared boundaries with:
Full census record, 1921
The 1921 census recorded 10 measurements for this Census Subdivision across 3 categories.
Population & families (1921). This community's record includes 819 total population, 423 males in the population, 422 males born in Canada, 396 females born in Canada, 396 females in the population, 1 males born outside the British Empire. (Source: 1921 Census of Canada, V1T16.)
Ethnic origin (1921). This community's record includes 817 persons of French origin, 2 persons of British origin (English). (Source: 1921 Census of Canada, V1T27.)
Religion (1921). This community's record includes 818 Roman Catholics, 1 Presbyterians. (Source: 1921 Census of Canada, V1T38.)
People with Dictionary of Canadian Biography entries
The Dictionary of Canadian Biography includes biographies of 1 person connected to this place who were alive in 1921, listed below by birth year. Each name links to that person's DCB entry.
| Name | Lifespan | Connection |
|---|---|---|
| ÉMile Miller | 1884–1922 | born here |
Identifiers
- TCP UID:
QC052010— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC052010— computed from spatial-overlap chains across census years - Wikidata: Q112912722
Sources
Census tabulations from the 1921 Census of Canada, transcribed and georeferenced by the Canadian Peoples / TCP project, hosted at the HGIS Lab, University of Saskatchewan. Persistent place identity computed from spatial-overlap chains across all available census years (1851–1921). Identity grounding to Wikidata performed via the HGIS Canada Knowledge Graph project's MCP-assisted disambiguation pipeline. See the About / Methodology page for the full data pipeline.
Cite this page
Clifford, J. (2026). "St. Placide, Quebec (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/st-placide-qc052010-1921/.